19819514

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 36789984

約数和(自身を除く): 16970470

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 131, 143, 253, 262, 286, 299, 506, 529, 598, 1058, 1441, 1703, 2882, 3013, 3289, 3406, 5819, 6026, 6578, 6877, 11638, 13754, 18733, 33143, 37466, 39169, 66286, 69299, 75647, 78338, 138598, 151294, 430859, 762289, 861718, 900887, 1524578, 1801774, 9909757, 19819514]

約数ペア:

[(1, 19819514), (2, 9909757), (11, 1801774), (13, 1524578), (22, 900887), (23, 861718), (26, 762289), (46, 430859), (131, 151294), (143, 138598), (253, 78338), (262, 75647), (286, 69299), (299, 66286), (506, 39169), (529, 37466), (598, 33143), (1058, 18733), (1441, 13754), (1703, 11638), (2882, 6877), (3013, 6578), (3289, 6026), (3406, 5819)]